September weather forecastNumazu, Japan
September
Weather in September
The ideal sea water temperature of 25.8°C (78.4°F) makes September in Numazu, Japan, the best time for swimming and other water activities.Sea temperature
In Numazu, the average seawater temperature in September is 25.8°C (78.4°F).Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is seen as very warm and delightful by everyone. During these temperatures, water activities become enjoyable, without causing discomfort for extended periods.
Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:17 and sunset at 18:11. On the last day of September, sunrise is at 05:38 and sunset at 17:30 JST.
Updated: Jul 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In September, the average sea temperature is 25.8°C (78.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
The average day length in September is 12h and 25min.
On the first day of September, sunrise is at 05:17 and sunset at 18:11. On the last day of the month, sunrise is at 05:38 and sunset at 17:30 JST.
Average sea temperature in September
Numazu, Japan
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.9°C).
Average daylight in September
Numazu, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
